Electrostatic spray gun



FIG. 1 is a front right isometric view of an electrostatic spray gun;

FIG. 2 is a left side view thereof;

FIG. 3 is a back view thereof,

FIG. 4 is a front side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a bottom view of an electrostatic spray gun. 

CLAIM The ornamental design for an electrostatic spray gun, as shown and described. 